/usr/share/perl5/NagiosGrapher/Hooks/SrvExtWriteHostextInfo.pm is in nagiosgrapher 1.7.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | #!/usr/bin/perl -w
# SrvExtWriteHostextInfo.pm- writes an Hostextinfo for hostgraph action.
# Copyright (C) 2004, NETWAYS GmbH, Gerd Mueller, Marius Hein
# $Id: SrvExtWriteHostextInfo.pm 1505 2006-11-17 15:29:29Z gmueller $
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# $Id: SrvExtWriteHostextInfo.pm 1505 2006-11-17 15:29:29Z gmueller $
#######################################################
# Please keep in mind that this hook is just an example
# what can be done bevor writing ServiceExtInfo
#######################################################
package NagiosGrapher::Hooks::SrvExtWriteHostextInfo;
use NagiosGrapher::Hooks::Generic;
use vars qw (
@ISA
);
@ISA = ('NagiosGrapher::Hooks::Generic');
# The overwritten init sub.
sub init {
$self = shift;
$self->SetTypes (
'before_serviceext',
'before_rrdupdate'
);
return $self->SUPER::init(@_);
}
# Checks if an entry exists
sub check_entry_exists {
my $self = shift;
unless ( -e $self->{'file'}) {
return undef;
}
open HOSTEXT, '<', $self->{'file'};
my @lines = <HOSTEXT>;
close HOSTEXT;
$self->print_log('Checking if entry exists ...');
my $host = $self->Host;
foreach my $line (@lines) {
if ($line =~ m/.*?host_name.*?$host/g) {
$self->print_log('Hostextentry found ... abort!');
return 1;
}
}
return undef;
}
# write the info file with the current data
sub write_hostextinfo {
my $self = shift;
my ($content) = @_;
if ($content) {
open HOSTEXT, '>>', $self->{'file'};
print HOSTEXT $content;
close HOSTEXT;
return 1;
}
return undef;
}
# inherited prepare sub, check the entry
sub prepare {
my $self = shift;
$self->{'dir'} = '/etc/nagiosgrapher/hostext/';
$self->{'file'} = $self->{'dir'}. $self->Host. '.cfg';
if (!$self->check_entry_exists()) {
return 1;
}
return undef;
}
# commit, write if prepare runs out successfully
sub commit {
my $self = shift;
my $values = $self->Values;
my $string = undef;
my $url = sprintf('%s?host=%s&service=%s&action=hostgraph&timeframe=-129600',
$self->NG->get_ngraphercfg_value('url'),
$self->Host,
$self->Service);
$string .= sprintf("# ->> Hostext for host %s\n", $self->Host);
$string .= "define hostextinfo{\n";
$string .= sprintf("\thost_name\t%s\n", $self->Host);
$string .= sprintf("\tnotes_url\t%s\n", $url);
$string .= sprintf("\tnotes\t\t%s\n", 'All services about the host');
$string .= "}\n";
$self->print_log('Writing to file: '. $self->{file});
my $re = $self->write_hostextinfo($string);
if ($re) {
$self->print_log('Writing success ...');
}
return $re;
}
# cleanup nothing to do.
sub cleanup {
my $self = shift;
return 1;
}
1;
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